/*
 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of
 * conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
 * of conditions and the following disclaimer in the documentation and/or other materials
 * provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
 * to endorse or promote products derived from this software without specific prior written
 * permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#include "It_posix_container.h"
#include <sched.h>
#include <unistd.h>
#include <sys/stat.h>
#include <limits.h>
#include <string>
#include <iostream>

/* *
 * @test IT_POSIX_READLINK_001
 * -@tspec posix_readlink API test
 * -@ttitle The alignment argument was not a power of two
 * -@tprecon dynamic memory function open
 * -@tbrief
 * -#alignment ==
 * -@texpect
 * -#return EINVAL
 * -#return EINVAL
 * -@tprior 1
 * -@tauto TRUE
 * -@tremark
 */
static UINT32 Testcase(VOID)
{
    int ret;
    char  *containerType = "mnt";
    std::cout << "start" << std::endl;
    auto pid = getpid();
    std::cout << "ItPosixContainer002 start" << std::endl;
    auto old_mnt_link = readlink_container(getpid(), containerType);
    std::cout << "unshare start" << std::endl;
    ret = unshare(CLONE_NEWNS);
    std::cout << "unshare result is" << ret << std::endl;
    if (ret == -1)
    ICUNIT_TRACK_NOT_EQUAL(ret, -1, ret);
    auto new_mnt_link = readlink_container(getpid(), containerType);

    if (new_mnt_link == old_mnt_link) {
        std::cerr << "mnt link" << new_mnt_link << " is not changed by unshare, test fail" << std::endl;
    }
    std::cout << "mnt link is changed from " << old_mnt_link << " to " << new_mnt_link << " by unshare, test succeed" << std::endl;
    return 0;
}

VOID ItPosixContainer002(void)
{
    TEST_ADD_CASE("IT_POSIX_CONTAINER_002", Testcase, TEST_POSIX, TEST_CONTAINER, TEST_LEVEL0, TEST_FUNCTION);
}

